Period
to 24 September 2018

The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 24 September 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > North West
6 months to
24 Sep 2018
Same period 2017 Same period 2016
Rank 27 30 25
Rank change year-on-year +3 -5 +14
Contract jobs citing TDD 383 349 448
As % of all contract IT jobs advertised in the North West 6.51% 6.07% 6.13%
As % of the Processes & Methodologies category 7.78% 7.40% 7.26%
Number of daily rates quoted 275 272 356
North West median daily rate £425 £400 £420
Median daily rate % change year-on-year +6.25% -4.76% +12.00%
10th Percentile £325 £313 £313
90th Percentile £545 £563 £538
England median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 1 4 3
North West median hourly rate £45.00 £46.25 £42.50
Median hourly rate % change year-on-year -2.70% +8.82% -
England median hourly rate £45.00 £42.50 £40.00
% change year-on-year +5.88% +6.25% -1.23%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for process or methodology skills.

All Process and Methodology Skills
North West
Contract vacancies with a requirement for process or methodology skills 4,921 4,716 6,172
As % of all contract IT jobs advertised in the North West 83.59% 82.05% 84.41%
Number of daily rates quoted 3,102 2,900 3,900
North West median daily rate £400 £400 £400
10th Percentile £263 £263 £261
90th Percentile £575 £550 £556
England median daily rate £468 £450 £425
% change year-on-year +3.89% +5.88% +3.03%
Number of hourly rates quoted 264 195 185
North West median hourly rate £22.00 £30.00 £21.50
Median hourly rate % change year-on-year -26.67% +39.53% -27.63%
10th Percentile £11.25 £11.73 £12.20
90th Percentile £52.30 £52.80 £52.30
England median hourly rate £21.00 £23.14 £22.84
% change year-on-year -9.25% +1.34% +4.99%

TDD
Job Vacancy Trend in the North West

Job postings citing TDD as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for TDD in the North West

TDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the North West.

Contractor daily rate trend for TDD in the North West

TDD
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing TDD in the North West over the 6 months to 24 September 2018.

Contractor daily rate histogram for TDD in the North West

TDD
Contractor Hourly Rate Trend in the North West

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the North West.

Contractor hourly rate trend for TDD in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North West region over the 6 months to 24 September 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester +6 279 £419 +8.06% 133
Cheshire -16 47 £420 +5.00% 28
Lancashire +11 33 £483 -24.61% 13
Merseyside -15 16 £400 -5.88% 10
TDD
England

For the 6 months to 24 September 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the North West region with a requirement for TDD.

1 279 (72.85%) Agile Software Development
2 202 (52.74%) Java
3 149 (38.90%) BDD
4 130 (33.94%) Scrum
5 129 (33.68%) JavaScript
6 108 (28.20%) Spring
7 104 (27.15%) CSS
8 103 (26.89%) .NET
9 95 (24.80%) Git (software)
10 93 (24.28%) AngularJS
11 90 (23.50%) HTML
12 88 (22.98%) C#
13 87 (22.72%) Test Automation
14 82 (21.41%) SQL
15 80 (20.89%) Java 8
16 78 (20.37%) Continuous Integration
17 76 (19.84%) Microservices
18 75 (19.58%) MVC
19 72 (18.80%) DevOps
20 70 (18.28%) Web Services
21 67 (17.49%) Python
22 66 (17.23%) Spring Boot
23 65 (16.97%) Amazon AWS
24 64 (16.71%) Kanban
25 62 (16.19%) RESTful
26 59 (15.40%) Selenium
27 56 (14.62%) SQL Server
28 55 (14.36%) JIRA
29 54 (14.10%) Jenkins
30 53 (13.84%) Software Engineering

TDD
Co-occurring IT Skills in the North West by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 21 (5.48%) Confluence
2 11 (2.87%) CMS
3 10 (2.61%) Umbraco
4 8 (2.09%) BizTalk Server
4 8 (2.09%) Cloud Foundry
4 8 (2.09%) SharePoint
5 7 (1.83%) WebSphere
6 6 (1.57%) Tomcat
7 5 (1.31%) Apache
7 5 (1.31%) Commerce Server
7 5 (1.31%) WebLogic
8 3 (0.78%) Elasticsearch
8 3 (0.78%) JBoss
8 3 (0.78%) Oracle SOA Suite
9 2 (0.52%) Apache Solr
9 2 (0.52%) Apache Spark
9 2 (0.52%) CICS
9 2 (0.52%) Mule
9 2 (0.52%) NServiceBus
9 2 (0.52%) WildFly
Applications
1 12 (3.13%) Adobe Illustrator
2 3 (0.78%) Photoshop
3 1 (0.26%) Microsoft Excel
3 1 (0.26%) MS Visio
Business Applications
1 15 (3.92%) Dynamics CRM
2 3 (0.78%) Distributed Ledger
2 3 (0.78%) SAP FI
3 1 (0.26%) Exstream
3 1 (0.26%) Salesforce.com CRM
Cloud Services
1 65 (16.97%) Amazon AWS
2 49 (12.79%) Microsoft Azure
3 17 (4.44%) GitHub
4 13 (3.39%) Amazon EC2
5 11 (2.87%) SaaS
6 8 (2.09%) Amazon SQS
7 6 (1.57%) Dynamics 365
8 4 (1.04%) AWS CloudFormation
8 4 (1.04%) Slack
9 3 (0.78%) Amazon S3
9 3 (0.78%) IaaS
10 2 (0.52%) Amazon CloudWatch
10 2 (0.52%) Amazon ElastiCache
10 2 (0.52%) AWS OpsWorks
10 2 (0.52%) npm
11 1 (0.26%) Basecamp
11 1 (0.26%) Cloud Computing
11 1 (0.26%) Google Cloud Platform
11 1 (0.26%) IBM Cloud
11 1 (0.26%) Virtual Private Cloud
Communications & Networking
1 4 (1.04%) Internet
2 3 (0.78%) HTTP
3 2 (0.52%) SMS
Database & Business Intelligence
1 56 (14.62%) SQL Server
2 39 (10.18%) PostgreSQL
3 29 (7.57%) MySQL
4 25 (6.53%) MongoDB
5 21 (5.48%) Relational Database
6 16 (4.18%) NoSQL
7 14 (3.66%) Amazon DynamoDB
8 10 (2.61%) Big Data
9 7 (1.83%) RavenDB
10 6 (1.57%) CouchDB
10 6 (1.57%) Neo4j
11 5 (1.31%) RDBMS
12 4 (1.04%) Azure SQL Database
12 4 (1.04%) Hadoop
12 4 (1.04%) SQL Server Integration Services
13 3 (0.78%) Apache Cassandra
13 3 (0.78%) Apache Hive
13 3 (0.78%) DB2
13 3 (0.78%) GIS
13 3 (0.78%) Redis
Development Applications
1 95 (24.80%) Git (software)
2 59 (15.40%) Selenium
3 55 (14.36%) JIRA
4 54 (14.10%) Jenkins
5 37 (9.66%) Octopus Deploy
6 30 (7.83%) Cucumber
7 25 (6.53%) TeamCity
8 24 (6.27%) Bitbucket
9 22 (5.74%) Visual Studio
10 21 (5.48%) gulp
10 21 (5.48%) Karma Test Runner
10 21 (5.48%) Maven
11 20 (5.22%) IntelliJ
12 19 (4.96%) JUnit
13 14 (3.66%) Grunt
14 12 (3.13%) Axure RP
14 12 (3.13%) Jasmine
15 11 (2.87%) Gatling
15 11 (2.87%) Mockito
16 10 (2.61%) SoapUI
General
1 23 (6.01%) Finance
2 19 (4.96%) Retail
3 9 (2.35%) Banking
4 3 (0.78%) Financial Institution
4 3 (0.78%) Publishing
4 3 (0.78%) Telecoms
5 2 (0.52%) Games
5 2 (0.52%) Marketing
5 2 (0.52%) Retail Banking
6 1 (0.26%) Advertising
6 1 (0.26%) Back Office
6 1 (0.26%) Electronics
6 1 (0.26%) Law
6 1 (0.26%) Legal
6 1 (0.26%) Manufacturing
Job Titles
1 283 (73.89%) Developer
2 106 (27.68%) Java Developer
3 60 (15.67%) .NET Developer
4 29 (7.57%) JavaScript Developer
5 27 (7.05%) C# Developer
6 23 (6.01%) Front End Developer (Client-Side Developer)
6 23 (6.01%) Full Stack Developer
7 22 (5.74%) Agile Developer
8 21 (5.48%) C# .NET Developer
9 19 (4.96%) Agile Java Developer
9 19 (4.96%) Software Engineer
10 18 (4.70%) AWS Developer
10 18 (4.70%) React Developer
11 17 (4.44%) Senior Developer
12 15 (3.92%) Python Developer
13 14 (3.66%) DevOps Engineer
14 13 (3.39%) Software Developer
15 11 (2.87%) Senior Java Developer
15 11 (2.87%) UI Developer
16 10 (2.61%) CRM Developer
Libraries, Frameworks & Software Standards
1 108 (28.20%) Spring
2 104 (27.15%) CSS
3 103 (26.89%) .NET
4 93 (24.28%) AngularJS
5 90 (23.50%) HTML
6 70 (18.28%) Web Services
7 66 (17.23%) Spring Boot
8 62 (16.19%) RESTful
9 48 (12.53%) React
10 47 (12.27%) Node.js
11 45 (11.75%) jQuery
12 43 (11.23%) Hibernate
13 42 (10.97%) ASP.NET
13 42 (10.97%) REST
14 39 (10.18%) SOAP
15 33 (8.62%) HTML5
16 29 (7.57%) XML
17 28 (7.31%) CSS3
17 28 (7.31%) JSON
18 26 (6.79%) ASP.NET Web API
Miscellaneous
1 40 (10.44%) User Experience
2 17 (4.44%) Mobile App
3 14 (3.66%) Wiki
4 11 (2.87%) Computer Science
5 10 (2.61%) Analytical Skills
5 10 (2.61%) Enterprise Software
6 9 (2.35%) Greenfield Project
6 9 (2.35%) iPad
7 6 (1.57%) Management Information System
8 4 (1.04%) Cloud Native
9 3 (0.78%) Distributed Denial-of-Service
9 3 (0.78%) Semantic Web
10 2 (0.52%) Algorithms
10 2 (0.52%) Data Structures
10 2 (0.52%) Digital TV
10 2 (0.52%) IBM Mainframe
10 2 (0.52%) iPhone
10 2 (0.52%) Mainframe
10 2 (0.52%) NHS
10 2 (0.52%) SWIFT
Operating Systems
1 26 (6.79%) Linux
2 23 (6.01%) Unix
3 18 (4.70%) Android
4 14 (3.66%) Apple iOS
5 12 (3.13%) Windows
6 5 (1.31%) Oracle Linux
7 2 (0.52%) Red Hat Enterprise Linux
Processes & Methodologies
1 279 (72.85%) Agile Software Development
2 149 (38.90%) BDD
3 130 (33.94%) Scrum
4 87 (22.72%) Test Automation
5 78 (20.37%) Continuous Integration
6 76 (19.84%) Microservices
7 75 (19.58%) MVC
8 72 (18.80%) DevOps
9 64 (16.71%) Kanban
10 53 (13.84%) Software Engineering
11 51 (13.32%) Pair Programming
12 45 (11.75%) OO
13 37 (9.66%) SDLC
13 37 (9.66%) SOA
14 33 (8.62%) Front End Development
15 32 (8.36%) Refactoring
16 27 (7.05%) Unit Testing
17 23 (6.01%) E-Commerce
18 22 (5.74%) OOP
18 22 (5.74%) SOLID
Programming Languages
1 202 (52.74%) Java
2 129 (33.68%) JavaScript
3 88 (22.98%) C#
4 82 (21.41%) SQL
5 80 (20.89%) Java 8
6 67 (17.49%) Python
7 19 (4.96%) Groovy
7 19 (4.96%) Scala
8 15 (3.92%) PHP
9 10 (2.61%) TypeScript
10 5 (1.31%) PL/SQL
10 5 (1.31%) Ruby
10 5 (1.31%) T-SQL
11 4 (1.04%) Clojure
11 4 (1.04%) Java 9
11 4 (1.04%) Shell Script
12 3 (0.78%) C
12 3 (0.78%) ES6
12 3 (0.78%) R
13 2 (0.52%) VBScript
Qualifications
1 11 (2.87%) Degree
2 9 (2.35%) Computer Science Degree
3 4 (1.04%) BPSS Clearance
4 3 (0.78%) Security Cleared
5 2 (0.52%) DBS Check
5 2 (0.52%) SC Cleared
6 1 (0.26%) Numerate Degree
Quality Assurance & Compliance
1 37 (9.66%) QA
System Software
1 39 (10.18%) Docker
2 7 (1.83%) Virtual Machines
3 1 (0.26%) Varnish
Systems Management
1 25 (6.53%) Opscode Chef
2 22 (5.74%) Kubernetes
3 20 (5.22%) Ansible
4 16 (4.18%) Puppet
5 9 (2.35%) Salt
6 8 (2.09%) Terraform
7 3 (0.78%) Kibana
8 2 (0.52%) Business Desktop Deployment
8 2 (0.52%) Grafana
8 2 (0.52%) Graylog
8 2 (0.52%) HP Quality Center
8 2 (0.52%) logstash
9 1 (0.26%) Systems Management Server (SMS)
Vendors
1 45 (11.75%) Microsoft
2 40 (10.44%) Oracle
3 9 (2.35%) SaltStack
4 8 (2.09%) IBM
5 6 (1.57%) Google
6 5 (1.31%) Blue Prism
6 5 (1.31%) hybris
7 4 (1.04%) SAP
8 3 (0.78%) Siebel
8 3 (0.78%) TIBCO
9 2 (0.52%) Adobe
9 2 (0.52%) Apigee
9 2 (0.52%) Red Hat
9 2 (0.52%) Sybase
9 2 (0.52%) Twitter
9 2 (0.52%) Xamarin
10 1 (0.26%) Cloudera
10 1 (0.26%) Hortonworks
10 1 (0.26%) MapR
10 1 (0.26%) Sitecore